This is a Prometheus exporter for AdGuard Home.

You can run it using the following example and pass configuration environment variables:

$ docker run \
  -e 'ADGUARD_SERVERS=http://192.168.1.2' \
  -e 'ADGUARD_USERNAMES=demo' \
  -e 'ADGUARD_PASSWORDS=mypassword' \
  -e 'INTERVAL=15s' \ # Optional, defaults to 30s
  -p 9618:9618 \
  ghcr.io/henrywhitaker3/adguard-exporter:latest

A single instance of adguard-exporter can monitor multiple AdGuard Home instances. To do so, you can specify a list of servers, usernames and passwords by separating them with commas in their respective environment variable:

$ docker run \
  -e 'ADGUARD_SERVERS=http://192.168.1.2,http://192.168.1.3,http://192.168.1.4"' \
  -e "ADGUARD_USERNAMES=$USERNAME1,$USERNAME2,$USERNAME3" \
  -e "ADGUARD_PASSWORDS=$PASSWORD1,$PASSWORD2,$PASSWORD3" \
  -p 9618:9618 \
  ghcr.io/henrywhitaker3/adguard-exporter:latest

Once the exporter is running, you also have to update your prometheus.yml configuration to let it scrape the exporter:

scrape_configs:
  - job_name: 'adguard'
    static_configs:
      - targets: ['localhost:9618']

If you want to strip the scheme and port out of the server label in the metrics, you can add a relabeling:

- action: replace
  sourceLabels: ["server"]
  regex: http(|s):\/\/([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}).*
  replacement: $2
  targetLabel: server